Will this work on the high pressure orings in PCP air rifles rated at 232 bar

No, this is not compatible with Buna-N o-rings that's in your rifle. What you need is Super Lube specially made for O-rings. https://www.amazon.com/Super-Lube-93003-Silicone-Translucent/dp/B07CFS31M8

is this aquarium safe?

Yes, it is. I have used this on all my aquariums since 2010. I have 7 planted aquariums, ranging from 5g shrimp to 90g community. I use this on all my o-rings and gaskets on my canisters (8 of them) and HOB filters (3 of them). All filters are still running great with no degradation to the o-rings or gaskets. You can see my review from 2011 about using it on aquariums: https://www.amazon.com/gp/customer-reviews/R10TI2CBVSZY2Y

Will this work on plastic drawer edges in a refrigerator that squeak and slide poorly

I would go with a silicone based lubricant that would be safe for O rings due to the fact that this particular lubricant can damage or mar plastic and rubber. This very same company makes that type that would be best for you. It clearly states on the product that you will be looking for.

Would this grease be appropriate for a squeaky office chair?

Superlube appears to be silicone grease with PTFE (Teflon). It's good stuff where you want a water-resistant paste grease you can smear on. However, for a squeaky office chair, I would think that you'd be better off with a spray white lithium grease. That's the recommended choice for car door hinges and the like.

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Super Lube 21030 Synthetic Grease (NLGI 2), 3 oz Tube

Super Lube 21030 Synthetic Grease (NLGI 2), 3 oz Tube

Product ID: 722790850

Details

Brand
Super Lube
Item Weight
3 Ounces
Liquid Volume
3 Fluid Ounces
Material
Synthetic
Package Information
Tube

🧴Compact 3 oz tube, easy application

🌡️Wide temp range -45°F to 450°F

🛡️Superior corrosion & wear resistance

$42.13

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Description

🛠️ Keep your gear slick, smooth, and unstoppable with Super Lube!

TRUSTED BY THOUSANDS - Rated 4.8 stars by over 8,800 professionals who demand peak performance.
PRECISION APPLICATION - Convenient 3 oz tube packaging delivers mess-free, targeted lubrication every time.
LONG LASTING PROTECTION - Fights corrosion, dirt, dust, salt water, and wear for extended equipment life.
MULTI MATERIAL COMPATIBILITY - Seamlessly protects fabric, leather, plastic, rubber, and wood—one tube to rule them all.
EXTREME TEMPERATURE RESILIENCE - Performs flawlessly from freezing cold to scorching heat, ensuring your gear never quits.

Super Lube 21030 Synthetic Grease is a premium NLGI 2 multi-purpose lubricant in a handy 3 oz tube, engineered to withstand extreme temperatures from -45°F to 450°F. Its synthetic formula with PTFE offers superior protection against corrosion, wear, dirt, and salt water, compatible with a wide range of materials including fabric, leather, plastic, rubber, and wood. Trusted by thousands with a 4.8-star rating, it’s the go-to grease for professionals seeking reliable, long-lasting performance.

Specifications

ASIN	B000XBH9HI
Brand Name	Super Lube
Container Type	Tube
Customer Reviews	4.8 4.8 out of 5 stars (8,828)
Flash Point	450 Degrees Fahrenheit
Global Trade Identification Number	00082353210305, 30082353210306
Included Components	85g Super Lube® Multi-Purpose Synthetic Grease with Syncolon® (PTFE)
Item Form	Grease
Item Weight	3 Ounces
Liquid Volume	3 Fluid Ounces
Manufacturer	Super Lube
Material Type	Synthetic
Model Number	21030
Number of Items	1
Part Number	21030
Specific Uses For Product	Prevent corrosion, increase efficiency
UPC	636123536777 787269992054 640025003329 082353210305
Unit Count	88.72 Milliliters

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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$42.13

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

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